Mining Engineering - MN 2013 GATE Paper (Practice Test) - GATE MCQ

Which of the above underlined parts of the sentence is not appropriate?

Select the pair that best expresses a relationship similar to that expressed in the pair:
water: pipe::

Q. 6 to Q. 10 carry two marks each

Q.

Velocity of an object fired directly in upward direction is given by V= 80 - 32 t, where t (time)
is in seconds. When will the velocity be between 32 m/sec and 64 m/sec?

In a factory, two machines M1 and M2 manufacture 60% and 40% of the autocomponents
respectively. Out of the total production, 2% of M1 and 3% of M2 are found to be defective. If a
randomly drawn autocomponent from the combined lot is found defective, what is the probability
that it was manufactured by M2?

Following table gives data on tourists from different countries visiting India in the year 2011.

Which two countries contributed to the one third of the total number of tourists who visited India in
2011?

If |-2x + 9| = 3 then the possible value of |-x| - x² would be:

All professors are researchers
Some scientists are professors
Which of the given conclusions is logically valid and is inferred from the above arguments

Q. 11 – Q. 35 carry one mark each.

Q.

In the Coward flammability diagram, the respective percentages of methane and oxygen at the
nose limit are

If the transpose of a matrix is equal to its inverse, then the matrix is

In the Moh’s scale of hardness, the minerals in increasing sequence of hardness are

A ball of weight W is supported on smooth walls as shown in the following figure. R1 and R2 are
reactions from the walls 1 and 2. The free body diagram of the ball is represented by

For a 25 mm diameter spherical charge, the maximum allowable charge length in cm is

Long-hole drilling with crater blasting is used for the construction of

Rill stoping method is a form of

Transit theodolite is a

Incubation period is NOT related to

The rotational speed and cutting velocity of a drill are 350 rpm and 71.50 m/min respectively. The
diameter of the rotary drill bit in mm is

(Note:  Correct answer will be updated soon. Temporary Marked A)

The pressure on a phreatic surface is

Events A and B are independent but NOT mutually exclusive. If the probabilities P(A) and P(B) are
0.5 and 0.4 respectively, then P(A ∪ B) is

Among the following options, the specific energy for rock-drilling is lowest in

Identify the correct statement for a ‘normal distribution’.

An emulsion explosive of specific gravity 1.25 is used for blasting in an iron ore formation having
P-wave velocity of 3000 m/s and specific gravity of 3.20. For an explosive impedance to rock
impedance ratio of 0.5, the desired velocity of detonation of the explosive in m/s is

The number of ways in which the letters in the word MINING can be arranged is

Under standard temperature and pressure conditions the theoretical maximum height in m to which
water can be lifted using an air-lift pump is

In a belt conveyor system, function of the snub pulley is to

In the following figure, the coefficient of kinetic friction between the trolley and the surface is 0.04.
When the block is released from rest, the acceleration of the trolley in m/s2 becomes

Two meshing spur gear wheels of Module 6 have 24 and 42 teeth. The distance in mm between the
centres of the gear wheels is